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10
Control and display elements
See figure on page 2.
Fig. 1: Display and control panel
10.1
Symbols on the control panel
Rotation indicator. The rotation indicator lights up and rotates anticlockwise while the rotor is turning.
When the rotor is stationary, the status of the lid is displayed by symbols in the rotation indicator:
Symbol : Lid open
Symbol : Lid closed
Operator errors and occurring faults are indicated on the display (see Chapter "Faults").
10.2
Keys and setting options
START
•
Start centrifugation run.
STOP
•
End centrifugation run.
•
Unlock the lid.
RPM x 100
t
•
These keys have no function.
11 Centrifugation
When the centrifuge is running, according to EN / IEC 61010-2-020, no persons, dangerous substances or
objects may be within the safety margin of 300 mm around the centrifuge.
If the permissible weight difference is exceeded within the rotor loading, the drive switches off during the run-
up time, and error
-3-
is displayed (see chapter "Faults").
The centrifugation run can be interrupted at any time by pressing the key
STOP
.
After a centrifugation run, the display flashes until the cover is opened or a key is pressed.
The speed and running time are permanently set and cannot be changed.
•
Switch on the mains switch (switch position "
Ι
").
•
Load the rotor and close the centrifuge cover.
•
Press the key
START
. The rotation indicator
appears while the rotor is turning.
The time is displayed in minutes. The last minute is counted down in seconds.
When the time is displayed in minutes, a point flashes next to the number.
•
After expiry of the time or if the centrifugation run is interrupted by pressing the key
STOP
, the rotor is braked to a
standstill.
During the centrifugation run the rotor speed and the remaining time are displayed.
